def test_find_vertical_c4(self):
board = Board()
board.grid[1][2] = 'O'
board.grid[2][2] = 'O'
board.grid[3][2] = 'O'
board.grid[4][2] = 'O'
board.print_grid()
self.assertTrue(board.look_for_4_vertical('O'))
def test_do_not_find_vertical_c4(self):
board = Board()
self.assertFalse(board.look_for_4_vertical('O'))
